Home / 4,216.38-6,324.56-1,138.38

Finding the Fourth Proportional to 4,216.38, 6,324.56 and 1,138.38

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Solution

The fourth proportional to 4,216.38, 6,324.56 and 1,138.38 is: 1,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.38 : 6,324.56 = 1,138.38 : x
  2. Step 2: Convert to fraction form
    4,216.38/6,324.56 = 1,138.38/x
  3. Step 3: Cross multiply
    4,216.38x = 6,324.56 × 1,138.38
  4. Step 4: Simplify right side
    4,216.38x = 7,199,752.61
  5. Step 5: Solve for x
    x = 7,199,752.61/4,216.38
  6. Step 6: Final answer
    x = 1,707.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.